AllTruckData
Comparison · 6×4 tractor unit · long haul at 19.3 t

Scania R 540 B6x4, tractor unit (2021–2023) vs Scania S 540 A6x4

Scania R 540 B6x4, tractor unit (2021–2023)

2021–2023 · 397 kW
37.3l/100 km
median; 36.7–39.3 across 4 declared configurations
Lower declared fuel

Scania S 540 A6x4

2020–2022 · 397 kW
32.9l/100 km
median; 31–34.1 across 4 declared configurations
Scania R 540 B6x4, tractor unit (2021–2023) and Scania S 540 A6x4 side by side
SpecificationScania R 540 B6x4, tractor unit (2021–2023)Scania S 540 A6x4
Vehicle formTractor unit for semi-trailer (BC)RegisteredTractor unit for semi-trailer (BC)Registered
Axle configuration6×4Declared6×4Declared
Registered new2021–2023Registeredcentral 90% of records2020–2022Registeredcentral 90% of records
Engine power397 kWDeclared397 kWDeclared
Engine displacement12.7 litresDeclared12.7 litresDeclared
GearboxautomatedDeclaredautomatedDeclared
Emission classNot recordedEURO VI DRegistered
Gross vehicle weight28,000–36,000 kgDeclaredmedian 30,000 kg, across 11 declared configurations35,000 kgRegistered
Kerb weightNot recorded10,684 kgRegistered
WheelbaseNot recorded4,900 mmRegistered
Overall lengthNot recorded7,110 mmRegistered
Overall heightNot recorded4,000 mmRegistered
Declared fuel, long haul37.3 l/100 km Declaredmedian; 36.7–39.3 l/100 km across 4 declared configurations32.9 l/100 km Declaredmedian; 31–34.1 l/100 km across 4 declared configurations
CO₂ per tonne-km50.53 g Declaredmedian; 49.7–53.3 g44.65 g Declaredmedian; 42–46.3 g

Fuel and CO₂: long haul at 19.3 t, 2022 declarations.

What the numbers actually say

The Scania S 540 A6x4 declared 4.4 l/100 km less (13.3%) on the long haul at 19.3 t, 2022 declarations. At 120,000 km a year and an assumed £1.40 a litre, that is about 5,280 litres a year, or £7,392. A gap this size is outside the 10% tolerance of declared figures.

R 540 B6x4, tractor unit (2021–2023) full specificationS 540 A6x4 full specification

Fuel over a year

120,000 km · assumed price
Scania R 540 B6x4, tractor unit (2021–2023)44,760 litres
£62,664 at the assumed price
Scania S 540 A6x439,480 litres
£55,272 at the assumed price
At 120,000 km a year and an assumed £1.40 a litre; the price is an assumption, not one we track.